Loading...
HomeMy WebLinkAboutR-391408Surface Water Standard Plan Notes 1. These notes shall appear on projects for the surface water utility. 2. Before any construction or development activity occurs, a pre -construction meeting must be held between the City of Renton plan review section and the applicant. 3. All design and construction shall be in accordance with the Renton Municipal Code (RMC), the latest edition of the Standard Specifications for Road, Bridge and Municipal Construction prepared by WSDDT and the American Public Works Association (APWA), as amended by the City of Renton Public Works Department. It shall be the sole responsibility of the applicant and the professional civil engineer to correct any error, omission or variation from the above requirements found in this plans. all corrections shall be at no additional cost to the City. 4. Approval of this road, grading, parking and drainage plan does not constitute an approval of any other construction (e.g. domestic water conveyance, sewer conveyance, gas, electrical. etc. The surface water drainage system shall be constructed according to the approved plans, which are on file in with the City. Any deviation from the approved plans will require written approval from the City of Renton Public Works Department, Surface Water Utility Section. 5. A copy of these approved plans must be on the job site whenever construction is in progress. 6. Grading activities (site alteration) are limited to the hours of 7 a.m. to 7 p.m. Monday through Saturday and no work on Sunday is allowed, unless otherwise approved with a written decision by the City of Renton. 7. It shall be the applicant'sicontractor's responsibility to obtain all construction easements necessary before initiating off-site work. Easements require City review and approval prior to construction. 8. Franchised utilities or other installations that are not shown on these approved plans shall not be constructed unless an approved set of plans that meet all requirements of Chapter 4 of the Surface Water Design Manual are submitted to the City of Renton. 9. Datum shall be NAVD 88 unless otherwise approved by the City of Renton. Reference benchmark and elevations are noted on the plans. 10. Any dewatering system necessary for the construction of stormwater facilities must be submitted to the City for review and approval. 11. All utility trenches and roadway subgrade shall be backfilled and compacted to 95 percent density, standard proctor. 12. Open cutting of existing roadways for non -franchised utility or storm drainage work is not allowed unless specifically approved by the City of Renton and noted on these approved plans. Any open cut shal I be restored in accordance with the City of Renton trench restoration standards. 13. All sedimentation/erosion facilities must be in operation prior to clearing and building construction, and they must be satisfactorily maintained Until construction is completed and the potential for on-site erosion has passed. 14. All rete ntionldetention facilities must be installed and in operation prior to or in conjunction with all construction activity unless otherwise approved by the Public Works Department, Surface Water Utility Section. 15. All pipe and appurtenances shall be laid on a properly prepared foundation in accordance with the current State of Washington Standard Specification for Road and Bridge Construction. This shall include necessary leveling of the trench bottom or the top of the foundation material, as well as placement and compaction of required bedding material, to uniform grade so that the entire length of the pipe will be supported on a uniformly dense, unyielding base. All pipe bedding shall be APWA Class "C", with the exception of PVC pipe. 16. Steel pipe shall be aluminized, or galvanized with asphalt treatment #1 or better inside and outside. 17. All drainage structures, such as catch basins and manholes shall have solid locking lids. All drainage structures associated with a permanent retentionldetention facility shall have solid locking lids. 18. Building and other structures shall be placed in accordance with Table 4.1 Easement Widths and Building Setbacks Lines. 19. All catch basin grates shall be depressed 0.10 feet below pavement level. 20All driveway culverts located within City of Renton right-of-way shall be of sufficient length to provide a minimum 3:1 slope from the edge of the driveway to the bottom of the ditch. Rock for erosion protection of roadside ditches, where required, shall be of sound quarry rock placed to a depth of one (1) foot and must meet the following specifications: 4 - 8 inch rock 140 - 70% passing; 2 - 4 inch rock 130 - 40% passing; and less than 2 inch rock 118 - 20% passing. 21. All building downspouts and footing drains shall be connected to the storm drainage system, unless approved by the City plan reviewer or Surface Water Utility Section. An accurately dimensioned, certified as -built drawing of this drainage system will be submitted to the City upon completion. 22. Drainage outlets (stub -outs) shall be provided for each individual lot, except for those lots approved for infiltration by the City. Stub -outs shall conform to the following: a. Each outlet shall be suitably located at the lowest elevation on the lot, so as to service all future roof downspouts and footing drains, driveways, yard drains, and any other surface or subsurface drains necessary to render the lots suitable for their intended use. Each outlet shall have free-flowing, positive drainage to an approved stormwater conveyance system or to an approved outfall location. b. Outlets on each lot shall be located with a five -foot -high, 2" x 4" stake marked "storm" or "drain". The stub -out shall extend above surface level, be visible, and be secured to the stake. c. Pipe material shall conform to underdrain specifications described in Chapter 4 of the Surface Water Design Manual and, if non-metallic, the pipe shall be placed in a trench with a tracing wire above or other acceptable detection. d. Private drainage easements are required for drainage systems designed to convey flows through individual lots. e. The applicanUcontractor is responsible for coordinating the locations of all stubout conveyance lines with respect to other utilities (e.g. power, gas, telephone, television). f. All individual stub -outs shall be privately owned and maintained by the lot home owner. g. Storm drainage pipe systems shall not penetrate building foundations, except for sump pump discharge lines used to drain crawl spaces, provided the sump pump system includes backflow prevention or a check valve. 23. All disturbed pervious areas (compacted, graded, landscaped, etc.) of the development site must demonstrate one of the following: The existing duff layer shall be staged and redistributed to maintain the moisture capacity of the soil, OR; Amended soil shall be added to maintain the moisture capacity. 24. Proof of liability insurance shall be submitted to the City prior to construction permit issuance. 25. issuance of the building or construction permits by the City of Renton does not relieve the owner of the continuing legal obligation and/or liability connected with storm surface water disposition. Further, the City of Renton does not accept any obligation for the proper functioning and maintenance of the system provided during construction. 26. The Contractor shall be responsible for providing adequate safeguard, safety devices, protective equipment, flaggers, and any other needed actions to protect the life, health, and safety of the public, and to protect property in connection with the performance of work. Any work within the traveled right-of-way that may interrupt normal traffic flow shall require a traffic control plan approve by the Public Works Department, Transportation Systems Division. All sections of the WSDDT Standard Specifications 1-07-23 Traffic Control shall apply. 27. Project located within the aquifer protection area {APA) shall comply with Special Requirement #6 of the Surface Water Design Manual and Aquifer Protection Regulations (RMC 4.3-050). POLLUTION PREVENTION NOTES 1. EQUIPMENT LUBRICATION AND FUELING OPERATIONS SHALL OCCUR AT AN APPROVED OFF-SITE LOCATION. 2. PREVENT OILS AND FUELS FROM ENTERING THE STORM DRAINAGE SYSTEM WITH PROPER CONTAINMENT DEVICES. 3. ACCESS TO CONSTRUCTION IS VIA ADJACENT EXISTING PAVED STREETS. SWEEP DIRT FROM PAVING DAILY OR AS NEEDED. THE INTENT IS TO PREVENT DIRT AND DEBRIS FROM VEHICLES AND EQUIPMENT FROM BEING DEPOSITED ON BOEING -OWNED STREET AND CITY STREET PAVEMENT. 4. SPILL CLEANUP PROCEDURES SHALL BE POSTED ONSITE. SPILLS SHALL BE CLEANED UP IMMEDIATELY AND CONTAMINATED MATERIAL DISPOSED OF PROPERLY. 5. THE CONTRACTOR SHALL PREVENT ALL MATERIAL USED OR GENERATED ONSITE FROM ENTERING THE STORM DRAINAGE SYSTEM. THE CONTRACTOR IS RESPONSIBLE FOR PROVIDING ADEQUATE CONTAIN VENT/SEPARATION ALL TIMES. ALL STORMWATER POLLUTION PREVENTION MEASURES SHALL BE COORDINATED WITH ENVIRONMENTAL ENGINEERING TO ENSURE COMPLIANCE WITH APPLICABLE STORMWATER PERMITS. CONTACT TESSA HIGGINS AT (360) 509-2124 A MINIMUM OF TWO (2) WEEKS PRIOR TO THE START OF CONSTRUCTION. D PROTECT ON NOTES 1. CATCH BASIN INLET PROTECTION SHALL BE INSTALLED ON ALL ADJACENT CATCH BASINS AND IMMEDIATELY UPON NEW CATCH BASIN INSTALLATION AND SHALL REMAIN UNTIL FINAL SITE STABILIZATION. 2. CATCH BASIN INLET PROTECTION SHALL BE INSTALLED IN ACCORDANCE WITH MANUFACTURERS RECOMMENDATIONS, AND MAINTAINED TO OPERATE PROPERLY. 3. CATCH BASIN INLET PROTECTION SHALL BE REMOVED FOLLOWING COMPLETION OF CONSTRUCTION AND STABILIZATION OF ALL CLEARED AREAS. EK ST N G UT E TY NOTE - 1. OTE 1. EXISTING UTILITY AND OTHER SUBSURFACE INFORMATION SHOWN ON THESE DRAWINGS HAS BEEN COMPILED FROM THE BEST INFORMATION AVAILABLE. THIS INFORMATION, HOWEVER, IS NOT GUARANTEED TO BE ACCURATE OR COMPLETE. CONTRACTOR TO LOCATE (INCLUDING ELEVATION) ALL EXISTING UNDERGROUND UTILITIES PRCOR TO EXCAVATING FOR CONSTRUCTION. CONSTRUCTION SEQUENCE 1. ATTEND PRE -CONSTRUCTION MEETING. 2_ POST SIGN WITH NAME AND PHONE NUMBER OF ESO SUPERVISOR (MAY BE CONSOLIDATED WITH THE REQUIRED NOTICE OF CONSTRUCTION SIGN). 3. FLAG OR FENCE CLEARING LIMITS. 4. INSTALL ESC BMPS PER PLAN. 5. CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE SLOPE DRAINS, ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT DEVELOPMENT. G. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL AND MANUFACTURER'S RECOMMENDATIONS. 7. RELOCATE EROSION CONTROL MEASURES OR INSTALL NEIN MEASURES SO THAT AS SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE WITH THE CITY'S EROSION AND SEDIMENT CONTROL STANDARDS. 8. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN DAYS DURING THE DRY SEASON OR TWO DAYS DURING THE WET SEASON WITH STRAW, WOOD FIBER MULCH, COMPOST, PLASTIC SHEETING OR EQUIVALENT. 9. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS. 10. SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS. 11. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE STABILIZED AND BMPS REMOVED IF APPROPRIATE. NovAdyne Civil Engineers Seattle 425753-•1869 Portland 971 -295 -WI Dons@novadym.us Estab0shed 1983 Anchorage Seattle PorVarrd R-3914-008 '-/1Y tj4 --,& IN COMPLIANCE WITH CITY OF RENTON STANDARDS SURFACE WATER UTILITY DEVELOPMENT ENGINEERING rstraka 051011201 rnair 0810812017 SURVaM: SCALE: 1980 ' p 4 VA I E; NONE HORONTAL N9&3f1991 SEATTLE PIPE TRADES EXPANSION 3/ 9/" PESGNEOEws + ITV FIELSDOK: DRAWN: RENTON 595 Monster Road SUPAGE 7KS 017--0 w ONE INCHi�lr DRAWING NO: DKS 2017-03_2 CHECKm: DA . U M CIVIL NOTES C4.0 ESS Ar FULL SC-LrPlanning%Building/Publia Works dept. I-7 IF NOT ONE INCH BY DATE APPR APRROvED: SCALE ACCORDINGLY SHEET: OF_ 14 17 Ci! Lo 0 T_ Io J V_ IE IL z 0 W z d 0- x Lu c!] Lu t� I- LLI I� LuJ I- Lu CIS GENERAL NOTES ERODON CONTROL NOTES CONT'D ,;;I- 00 THE FOLLOWING APPLY UNLESS OTHERWISE INDICATED. 5. ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACILITIES MUST BE CONSTRUCTED 1. ALL WORK AND MATERIAL SHALL CONFORM TO CITY OF RENTON STANDARDS, AND IN OPERATION PRIOR TO LAND CLEARING AND/OR CONSTRUCTION TO PREVENT AND STANDARD SPECIFICATIONS OF WSDOT/APWA. WHERE MORE THAN ONE TRANSPORTATION OF SEDIMENT TO SURFACE WATER, DRAINAGE SYSTEMS AND W ~ STANDARD IS REFERENCED ON THE DRAWINGS AND THERE IS A DISCREPANCY ADJACENT PROPERTIES. ALL EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED BETWEEN THE TWO THE MORE STRINGENT SHALL APPLY. A SET OF APPROVED IN A SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND/OR PLANS SHALL BE KEPT ON SITE AT ALL TIMES DURING CONSTRUCTION. CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON-SITE EROSION HAS PASSED. THE IMPLEMENTATION, MAINTENANCE, REPLACEMENT AND ADDITIONS TO 2, THE LOCATIONS OF EXISTING UTILITIES AND FEATURES SHOWN ARE EROSION/SEDIMENTATION CONTROL SYSTEMS SHALL BE THE RESPONSIBILITY OF THE w APPROXIMATE. CONTRACTOR SHALL VERIFY ACTUAL LOCATIONS & SIZES PRIOR PERMITEE. a TO CONSTRUCTION OF NEW IMPROVEMENTS. CONTRACTOR SHALL BE CAUTIOUS < WHEN EXCAVATING NEAR EXISTING UTILITIES. CONTRACTOR SHALL BE 6, THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED ON THIS DRAWING IZ RESPONSIBLE FOR DAMAGES CAUSED TO EXISTING UTILITIES. ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS. H AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, W 3. CONTRACTOR TO LOCATE AND DETERMINE DEPTH OF EXISTING UTILITIES. THE PERMITEE SHALL ANTICIPATE THAT MORE EROSION AND SEDIMENTATION CONTROL CIL NOTIFY OWNER AND THE ENGINEER OF ANY CONFLICTS BETWEEN EXITING FACILITIES WILL BE NECESSARY TO ENSURE COMPLETE SILTATION CONTROL ON THE FEATURES AND THE PLACEMENT OF NEW FACILITIES. PROPOSED SITE. DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE uj �. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ALL TRAFFIC CONTROL OBLIGATION AND RESPONSIBILITY OF THE PERMITEE TO ADDRESS ANY NEW CONDITIONS J ON-SITE AND SHALL COORDINATE HIS ACTIVITIES WITH THE OWNER AND THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL FACILITIES, ENGINEER A MINIMUM OF TWO (2) WEEKS IN ADVANCE OF THE BEGINNING OF OVER AND ABOVE MINIMUM REQUIREMENTS, AS MAY BE NEEDED, TO PROTECT ~ WORK. THE CONTRACTOR IS RESPONSIBLE FOR PROVIDING ALL TRAFFIC ADJACENT PROPERTIES AND WATER QUALITY OF THE RECEIVING DRAINAGE SYSTEM. W CONTROL SIGNS. SAFE VEHICULAR AND PEDESTRIAN ACCESS SHALL BE 7. APPROVAL OF THIS PLAN IS FOR EROSION/SEDIMENTATION CONTROL ONLY. IT DOES � PROVIDED AT ALL TIMES DURING CONSTRUCTION. SHUTDOWN OF OWNER NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF OPERATION OR ACCESS WILL NOT BE PERMITTED. PIPES, RETRICTORS, CHANNELS, OR RETENTION FACILITIES. 5. THE CONTRACTOR SHALL MAINTAIN A CLEAN WORK AREA AT ALL TIMES BY 8. ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT SWEEPING. WASHING OF PAVEMENT WILL NOT BE ALLOWED WITHOUT PRIOR BE DISTURBED FOR TWO DAYS DURING THE WET SEASON (OCTOBER IST TROUGH OWNER APPROVAL. MARCH 30TH) OR SEVEN DAYS DURING THE DRY SEASON (APRIL IST TOUGH 6. ALL DEMOLITION DEBRIS SHALL BE LEGALLY DISPOSED OF OFF-SITE. SEPTEMBER 30) SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED ESC COVER METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.), 7. FIELD VERIFY DIMENSIONS FOR WORTS PRIOR TO START OF WORK, 9. WET SEASON SEASONAL EROSION AND SEDIMENT CONTROL REQUIREMENTS APPLY TO 8. ALL WORTS SHALL BE PERFORMED IN A WORKMANLIKE MANNER AND IN ALL CONSTRUCTION SITES CLEARING BETWEEN OCTOBER 1 AND MARCH 30 INCLUSIVE, CONFORMANCE WITH APPLICABLE CODES, REGULATIONS AND PERMIT UNLESS OTHERWISE APPROVED BY THE CITY THROUGH AN ADJUSTMENT PROCESS. REQUIREMENTS. 10. COVER MEASURES WILL BE APPLIED IN CONFORMANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL. 9. RECORD DRAWINGS: CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING A CLEAN SET OF DRAWINGS AT THE PROJECT OFFICE FOR RECORD INFORMATION. 11 ANY AREA NEEDING ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE ALL REQUIRED INFORMATION SHALL BE RECORDED IN RED PENCIL DAILY IN A ADDRESSED WITHIN SEVEN (7) DAYS. NEAT AND LEGIBLE MANNER. 12. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR WITHIN 24 HOURS FOLLOWING A STORM EVENT. 10. CONTRACTOR SHALL OBTAIN ALL PERMITS REQUIRED FOR CONSTRUCTION THAT OWNER HAS NOT OBTAINED. 13. AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES 11. PRIOR TO PLACING PAVEMENT, THE CONTRACTOR SHALL ENSURE THAT ALL SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING OPERATION SHALL NOT FLUSH REQUIRED UNDERGROUND UTILITIES AND APPURTENANCES ARE IN PLACE, SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM, INCLUDING, BUT NOT LIMITED TO.- SANITARY SEWER, STORM DRAIN, GAS, ELECTRIC, TELEPHONE, COMMUNICATION SYSTEMS, CABLE TELEVISION, SITE 14. DURING THE TIME PERIOD OF OCTOBER IST THROUGH MARCH 30TH, ALL PROJECT LIGHTING AND IRRIGATION SLEEVES. DISTRIBUTED SOIL AREAS GREATER, THAT ARE TO BE LEFT UN -WORKED FOR MORE THAN 12 HOURS, SHALL BE COVERED BY MULCH, SODDING OR PLASTIC COVERING. 12. ALL DISTURBED PROPERTY AND VEGETATION SHALL BE RESTORED TO ORIGINAL. 15 ANY PERMANENT RETENTION DETENTION FACILITY USED AS A TEMPORARY SETTLING CONDITION OR BETTER AS SPECIFIED. WORK SHALL BE CONFINED TO OWNER PROPERTY. BASIN SHALL BE MODIFIED WITH THE NECESSARY EROSION CONTROL MEASURES AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE PERMANENT FACILITY IS TO 13. CONTRACTOR SHALL PROTECT ALL SURVEY MONUMENTS AND BENCHMARKS. FUNCTION ULTIMATELY AS AN INFILTRATION SYSTEM, THE TEMPORARY FACILITY MUST BE CONFIRM INDICATED VERTICAL AND HORIZONTAL CONTROL AND MONUMENTS ROUGH GRADED SO THAT THE BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE PRIOR TO CONSTRUCTION. REPORT ANY DISCREPANCIES. THE FINAL GRADE OF THE PERMANENT FACILITY. 14. THE CONTRACTOR SHALL MAINTAIN ALL SIGNS, BARRICADES, WARNING LIGHTS, 15. PRIOR TO THE BEGINNING OF THE WET SEASON (OCT. 1), ALL DISTURBED AREAS AND OTHER DEVICES NECESSARY FOR SAFETY. SHALL BE REVIEWED TO IDENTIFY WHICH ONES CAN BE SEEDED IN PREPARATION FOR THE WINTER RAINS. DISTURBED AREAS SHALL BE SEEDED WITHIN ONE WEEK OF THE 15. THE SPECIFICATION OF A NAME BRAND PRODUCT, OR EQUAL/EQUIVALENT, IS BEGINNING OF THE WET SEASON. A SKETCH MAP OF THOSE AREAS TO BE SEEDED DONE TO ESTABLISH THE LEVEL OF QUALITY OF MATERIALS AND EQUIPMENT AND THOSE AREAS TO REMAIN UNCOVERED SHALL BE SUBMITTED TO THE CITY OF REQUIRED AND IS NOT A PRODUCT ENDORSEMENT. SUBMIT SUBSTITUTIONS IN RENTON FOR REVIEW. WRITING IN ACCORDANCE WITH SPECIFICATIONS FOR APPROVAL. FROSON CONTROL NOTES. GRADING AND EARTHWORK GENERAL NOTES 1. THESE NOTES SHALL APPEAR FOR ALL PROJECTS - SITE IMPROVEMENTS, 1. ALL PAVING MUST BE KEPT CLEAN AND FREE OF SEDIMENT. SURFACE WATER UTILITY, WASTEWATER UTILITY, WATER UTILITY, AND TRANSPORTATION PLANS: 2. PLASTIC COVERING MAY BE USED ON STOCKPILE AREAS TO MAINTAIN OPTIMUM MOISTURE CONTENT AND PREVENT SEDIMENT TRANSPORT. 2. BEFORE ANY CONSTRUCTION OR DEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING MUST BE HELD WITH THE CITY OF RENTON, 3. GENERAL BACKFILL MATERIAL SHALL BE GRAVEL BORROW PER WSDOT 9-03.14(1). PUBLIC WORKS DESIGN ENGINEER. BACKFILL MATERIAL SHALL BE PLACED IN 8 INCH LIFTS MAXIMUM AND COMPACTED TO 3. THE BOUNDARIES OF THE CLEARING LIMITS AND AREAS OF VEGETATION 95% MAXIMUM DENSITY AS SPECIFIED IN SECTION 2-03.3(14)0, UNLESS OTHERWISE PRESERVATION AS PRESCRIBED ON THE PLAN(S) SHALL BE CLEARLY SPECIFIED. FLAGGED BY SURVEY TAPE OR FENCING IN THE FIELD PRIOR TO CONSTRUCTION IN ACCORDANCE WITH APPENDIX D OF THE SURFACE 4. ALL EXPOSED SUBGRADE SHALL BE PROOF ROLLED. ANY LOCALIZED ZONE OF YIELDING MATER DESIGN MANUAL AND OBSERVED DURING CONSTRUCTION. DURING SUBGRADE SHALL BE OVEREXCAVATED AND REPLACED WITH SUITABLE STRUCTURAL FILL. COMPACTION TO 95% MAX. DENSITY UNLESS OTHERWISE DETERMINED BY THE ENGINEER THE CONSTRUCTION PERIOD, NO DISTURBANCE BEYOND THE CLEARING OR SHOWN ON THE PLANS. LIMITS SHALL BE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLICANT/ESC SUPERVISOR FOR THE DURATION OF 5. SEE SHEET C5.0 FOR NOTES CONCERNING EARTHWORK AND MATERIALS FOR AREAS CONSTRUCTION, WITH PERMEABLE ASPHALT PAVING. 4. STABILIZED CONSTRUCTION ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAINED FOR THE DURATION OF THE PROJECT. ADDITIONAL MEASURES, SUCH AS CONSTRUCTED WHEEL WASH SYSTEMS OR WASH PADS, MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN AND TRACK OUT TO ROAD RIGHT OF WAY 2 CD SUBMITTAL TO CITY FOLLOWING PGSTSCREEN REVIEW DOES NOT OCCUR FOR THE DURATION OF THE PROJECT, 1 CD SUBMITTAL TO CITY FOLLOWING PRESCREEN REVIEW Lj NO. REVISION Surface Water Standard Plan Notes 1. These notes shall appear on projects for the surface water utility. 2. Before any construction or development activity occurs, a pre -construction meeting must be held between the City of Renton plan review section and the applicant. 3. All design and construction shall be in accordance with the Renton Municipal Code (RMC), the latest edition of the Standard Specifications for Road, Bridge and Municipal Construction prepared by WSDDT and the American Public Works Association (APWA), as amended by the City of Renton Public Works Department. It shall be the sole responsibility of the applicant and the professional civil engineer to correct any error, omission or variation from the above requirements found in this plans. all corrections shall be at no additional cost to the City. 4. Approval of this road, grading, parking and drainage plan does not constitute an approval of any other construction (e.g. domestic water conveyance, sewer conveyance, gas, electrical. etc. The surface water drainage system shall be constructed according to the approved plans, which are on file in with the City. Any deviation from the approved plans will require written approval from the City of Renton Public Works Department, Surface Water Utility Section. 5. A copy of these approved plans must be on the job site whenever construction is in progress. 6. Grading activities (site alteration) are limited to the hours of 7 a.m. to 7 p.m. Monday through Saturday and no work on Sunday is allowed, unless otherwise approved with a written decision by the City of Renton. 7. It shall be the applicant'sicontractor's responsibility to obtain all construction easements necessary before initiating off-site work. Easements require City review and approval prior to construction. 8. Franchised utilities or other installations that are not shown on these approved plans shall not be constructed unless an approved set of plans that meet all requirements of Chapter 4 of the Surface Water Design Manual are submitted to the City of Renton. 9. Datum shall be NAVD 88 unless otherwise approved by the City of Renton. Reference benchmark and elevations are noted on the plans. 10. Any dewatering system necessary for the construction of stormwater facilities must be submitted to the City for review and approval. 11. All utility trenches and roadway subgrade shall be backfilled and compacted to 95 percent density, standard proctor. 12. Open cutting of existing roadways for non -franchised utility or storm drainage work is not allowed unless specifically approved by the City of Renton and noted on these approved plans. Any open cut shal I be restored in accordance with the City of Renton trench restoration standards. 13. All sedimentation/erosion facilities must be in operation prior to clearing and building construction, and they must be satisfactorily maintained Until construction is completed and the potential for on-site erosion has passed. 14. All rete ntionldetention facilities must be installed and in operation prior to or in conjunction with all construction activity unless otherwise approved by the Public Works Department, Surface Water Utility Section. 15. All pipe and appurtenances shall be laid on a properly prepared foundation in accordance with the current State of Washington Standard Specification for Road and Bridge Construction. This shall include necessary leveling of the trench bottom or the top of the foundation material, as well as placement and compaction of required bedding material, to uniform grade so that the entire length of the pipe will be supported on a uniformly dense, unyielding base. All pipe bedding shall be APWA Class "C", with the exception of PVC pipe. 16. Steel pipe shall be aluminized, or galvanized with asphalt treatment #1 or better inside and outside. 17. All drainage structures, such as catch basins and manholes shall have solid locking lids. All drainage structures associated with a permanent retentionldetention facility shall have solid locking lids. 18. Building and other structures shall be placed in accordance with Table 4.1 Easement Widths and Building Setbacks Lines. 19. All catch basin grates shall be depressed 0.10 feet below pavement level. 20All driveway culverts located within City of Renton right-of-way shall be of sufficient length to provide a minimum 3:1 slope from the edge of the driveway to the bottom of the ditch. Rock for erosion protection of roadside ditches, where required, shall be of sound quarry rock placed to a depth of one (1) foot and must meet the following specifications: 4 - 8 inch rock 140 - 70% passing; 2 - 4 inch rock 130 - 40% passing; and less than 2 inch rock 118 - 20% passing. 21. All building downspouts and footing drains shall be connected to the storm drainage system, unless approved by the City plan reviewer or Surface Water Utility Section. An accurately dimensioned, certified as -built drawing of this drainage system will be submitted to the City upon completion. 22. Drainage outlets (stub -outs) shall be provided for each individual lot, except for those lots approved for infiltration by the City. Stub -outs shall conform to the following: a. Each outlet shall be suitably located at the lowest elevation on the lot, so as to service all future roof downspouts and footing drains, driveways, yard drains, and any other surface or subsurface drains necessary to render the lots suitable for their intended use. Each outlet shall have free-flowing, positive drainage to an approved stormwater conveyance system or to an approved outfall location. b. Outlets on each lot shall be located with a five -foot -high, 2" x 4" stake marked "storm" or "drain". The stub -out shall extend above surface level, be visible, and be secured to the stake. c. Pipe material shall conform to underdrain specifications described in Chapter 4 of the Surface Water Design Manual and, if non-metallic, the pipe shall be placed in a trench with a tracing wire above or other acceptable detection. d. Private drainage easements are required for drainage systems designed to convey flows through individual lots. e. The applicanUcontractor is responsible for coordinating the locations of all stubout conveyance lines with respect to other utilities (e.g. power, gas, telephone, television). f. All individual stub -outs shall be privately owned and maintained by the lot home owner. g. Storm drainage pipe systems shall not penetrate building foundations, except for sump pump discharge lines used to drain crawl spaces, provided the sump pump system includes backflow prevention or a check valve. 23. All disturbed pervious areas (compacted, graded, landscaped, etc.) of the development site must demonstrate one of the following: The existing duff layer shall be staged and redistributed to maintain the moisture capacity of the soil, OR; Amended soil shall be added to maintain the moisture capacity. 24. Proof of liability insurance shall be submitted to the City prior to construction permit issuance. 25. issuance of the building or construction permits by the City of Renton does not relieve the owner of the continuing legal obligation and/or liability connected with storm surface water disposition. Further, the City of Renton does not accept any obligation for the proper functioning and maintenance of the system provided during construction. 26. The Contractor shall be responsible for providing adequate safeguard, safety devices, protective equipment, flaggers, and any other needed actions to protect the life, health, and safety of the public, and to protect property in connection with the performance of work. Any work within the traveled right-of-way that may interrupt normal traffic flow shall require a traffic control plan approve by the Public Works Department, Transportation Systems Division. All sections of the WSDDT Standard Specifications 1-07-23 Traffic Control shall apply. 27. Project located within the aquifer protection area {APA) shall comply with Special Requirement #6 of the Surface Water Design Manual and Aquifer Protection Regulations (RMC 4.3-050). POLLUTION PREVENTION NOTES 1. EQUIPMENT LUBRICATION AND FUELING OPERATIONS SHALL OCCUR AT AN APPROVED OFF-SITE LOCATION. 2. PREVENT OILS AND FUELS FROM ENTERING THE STORM DRAINAGE SYSTEM WITH PROPER CONTAINMENT DEVICES. 3. ACCESS TO CONSTRUCTION IS VIA ADJACENT EXISTING PAVED STREETS. SWEEP DIRT FROM PAVING DAILY OR AS NEEDED. THE INTENT IS TO PREVENT DIRT AND DEBRIS FROM VEHICLES AND EQUIPMENT FROM BEING DEPOSITED ON BOEING -OWNED STREET AND CITY STREET PAVEMENT. 4. SPILL CLEANUP PROCEDURES SHALL BE POSTED ONSITE. SPILLS SHALL BE CLEANED UP IMMEDIATELY AND CONTAMINATED MATERIAL DISPOSED OF PROPERLY. 5. THE CONTRACTOR SHALL PREVENT ALL MATERIAL USED OR GENERATED ONSITE FROM ENTERING THE STORM DRAINAGE SYSTEM. THE CONTRACTOR IS RESPONSIBLE FOR PROVIDING ADEQUATE CONTAIN VENT/SEPARATION ALL TIMES. ALL STORMWATER POLLUTION PREVENTION MEASURES SHALL BE COORDINATED WITH ENVIRONMENTAL ENGINEERING TO ENSURE COMPLIANCE WITH APPLICABLE STORMWATER PERMITS. CONTACT TESSA HIGGINS AT (360) 509-2124 A MINIMUM OF TWO (2) WEEKS PRIOR TO THE START OF CONSTRUCTION. D PROTECT ON NOTES 1. CATCH BASIN INLET PROTECTION SHALL BE INSTALLED ON ALL ADJACENT CATCH BASINS AND IMMEDIATELY UPON NEW CATCH BASIN INSTALLATION AND SHALL REMAIN UNTIL FINAL SITE STABILIZATION. 2. CATCH BASIN INLET PROTECTION SHALL BE INSTALLED IN ACCORDANCE WITH MANUFACTURERS RECOMMENDATIONS, AND MAINTAINED TO OPERATE PROPERLY. 3. CATCH BASIN INLET PROTECTION SHALL BE REMOVED FOLLOWING COMPLETION OF CONSTRUCTION AND STABILIZATION OF ALL CLEARED AREAS. EK ST N G UT E TY NOTE - 1. OTE 1. EXISTING UTILITY AND OTHER SUBSURFACE INFORMATION SHOWN ON THESE DRAWINGS HAS BEEN COMPILED FROM THE BEST INFORMATION AVAILABLE. THIS INFORMATION, HOWEVER, IS NOT GUARANTEED TO BE ACCURATE OR COMPLETE. CONTRACTOR TO LOCATE (INCLUDING ELEVATION) ALL EXISTING UNDERGROUND UTILITIES PRCOR TO EXCAVATING FOR CONSTRUCTION. CONSTRUCTION SEQUENCE 1. ATTEND PRE -CONSTRUCTION MEETING. 2_ POST SIGN WITH NAME AND PHONE NUMBER OF ESO SUPERVISOR (MAY BE CONSOLIDATED WITH THE REQUIRED NOTICE OF CONSTRUCTION SIGN). 3. FLAG OR FENCE CLEARING LIMITS. 4. INSTALL ESC BMPS PER PLAN. 5. CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE SLOPE DRAINS, ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT DEVELOPMENT. G. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH APPENDIX D OF THE SURFACE WATER DESIGN MANUAL AND MANUFACTURER'S RECOMMENDATIONS. 7. RELOCATE EROSION CONTROL MEASURES OR INSTALL NEIN MEASURES SO THAT AS SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT CONTROL IS ALWAYS IN ACCORDANCE WITH THE CITY'S EROSION AND SEDIMENT CONTROL STANDARDS. 8. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN DAYS DURING THE DRY SEASON OR TWO DAYS DURING THE WET SEASON WITH STRAW, WOOD FIBER MULCH, COMPOST, PLASTIC SHEETING OR EQUIVALENT. 9. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS. 10. SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS. 11. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE STABILIZED AND BMPS REMOVED IF APPROPRIATE. NovAdyne Civil Engineers Seattle 425753-•1869 Portland 971 -295 -WI Dons@novadym.us Estab0shed 1983 Anchorage Seattle PorVarrd R-3914-008 '-/1Y tj4 --,& IN COMPLIANCE WITH CITY OF RENTON STANDARDS SURFACE WATER UTILITY DEVELOPMENT ENGINEERING rstraka 051011201 rnair 0810812017 SURVaM: SCALE: 1980 ' p 4 VA I E; NONE HORONTAL N9&3f1991 SEATTLE PIPE TRADES EXPANSION 3/ 9/" PESGNEOEws + ITV FIELSDOK: DRAWN: RENTON 595 Monster Road SUPAGE 7KS 017--0 w ONE INCHi�lr DRAWING NO: DKS 2017-03_2 CHECKm: DA . U M CIVIL NOTES C4.0 ESS Ar FULL SC-LrPlanning%Building/Publia Works dept. I-7 IF NOT ONE INCH BY DATE APPR APRROvED: SCALE ACCORDINGLY SHEET: OF_ 14 17 Ci! Lo 0 T_ Io J V_ IE IL z 0 W z d 0- x Lu c!] Lu t� I- LLI I� LuJ I- Lu CIS